Deck 3: The Evolution of Telecommunications Technology and Policy

Question 1

Simultaneously transmitting an indeterminate number of multiple signals over one circuit is known as multiplexing.

Answer 1

True

Question 2

The crossbar switch is an automatic telephone switch that used a grid of horizontal and vertical bars with electromagnets at their ends.

Answer 2

True

Question 3

A local switching center is also referred to as the central office.

Answer 3

False

Question 4

A toll switching center is an exchange where lines from multiple local offices converge and terminate.

Question 5

A local switching center is an exchange where lines from multiple tandem switching centers converge and terminate.

Question 6

Simultaneously transmitting a signal in both directions along the same wire is known as duplexing.

Question 7

Telephones are examples of wireline technology.

Question 8

A type of signaling in which visual cues represent letters or words is known as a semaphore.

Question 9

A tandem switching center is an exchange where lines from multiple homes and businesses in one geographic area converge and terminate.

Question 10

Audion is a type of vacuum tube that contains an additional electrode in the middle of the positive and negative electrodes.

Question 11

A type of signaling in which visual cues represent letters or words is known as a(n) semaphore. _________________________

Question 12

The crossbar switch used a grid of horizontal and vertical bars with electromagnets at their ends. _________________________

Question 13

A(n) local switching center is also referred to as the central office. _________________________

Question 14

A(n) tandem switching center is an exchange where lines from multiple homes and businesses in one geographic area converge and terminate. _________________________

Question 15

A(n) local switching center is an exchange where lines from multiple tandem switching centers converge and terminate. _________________________

Question 16

A(n) local switching center is an exchange where lines from multiple tandem switching centers converge and terminate. _________________________

Question 17

The Audion is a two-way hand-held communication device that uses frequency modulation techniques. _________________________

Question 18

In frequency modulation, one wave containing the information to be transmitted is combined with another wave, called a carrier wave, whose frequency is constant. _________________________

Question 19

A(n) toll switching center is an exchange where lines from multiple local offices converge and terminate. _________________________

Question 20

Manipulating the physical space between two lines, thereby closing a circuit to connect a call is referred to as time division switching. _________________________

Question 21

A type of vacuum tube invented by Lee DeForest that contained an additional electrode in the middle of the positive and negative electrodes is known as:

A) Audion
B) Difference engine
C) Cell
D) Crossbar switch

Question 22

Which of the following is the research and development business that was created as a result of the Modified Final Judgement?

A) Bell Operating Companies
B) Bell System
C) Bell Telephone Laboratories
D) Bell Communications Research

Question 23

Which of the following is the company that was initially formed when American Bell took controlling interest in Western Electric?

A) Bell Telephone Laboratories
B) Bell System
C) Bellcore
D) BOCs

Question 24

Which of the following is a geographic area that is serviced by a single low-power transmitter for wireless communication?

A) Cell
B) Central office
C) Local office
D) Local switching center

Question 25

The research and development arm of AT&T prior to divestiture was known as:

A) Bell System
B) BOCs
C) Bellcore
D) Bell Telephone Laboratories

Question 26

Which of the following was a 1968 court decision that lifted the restriction against interconnecting to AT&T's telephone network?

A) Carterfone decision
B) Modified Final Judgement
C) Hush-a-Phone decision
D) Kingsbury Commitment

Question 27

Which of the following is a telephone company facility where lines are terminated and can also be connected with other lines to complete calls?

A) Local office
B) Central office
C) interLATA
D) intraLATA

Question 28

Which of the following is a local exchange carrier that has only begun offering local phone service since competition was introduced?

A) Bellcore
B) BOCs
C) CLECs
D) RBOCs

Question 29

Which of the following refers to the automatic manipulation of input, based on logical instructions?

A) Crossbar switch
B) Computing
C) Difference engine
D) Microwave link

Question 30

Which of the following is an automated telephone switch that used a grid of horizontal and vertical bars with electromagnets at their ends?

A) Difference engine
B) ENIAC
C) Crossbar switch
D) Downlink

Question 31

Which of the following is an automated calculating machine that is as large as a locomotive and powered by steam?

A) Difference engine
B) Audion
C) Crossbar switch
D) ENIAC

Question 32

Which of the following is the transmission of a signal from an orbiting satellite to an earth-based receiver?

A) Computing
B) Downlink
C) ENIAC
D) Microwave link

Question 33

The simultaneous transmission of a signal in both directions along a single transmission pathway is referred to as?

A) Multiplexing
B) Computing
C) Duplexing
D) None of the above

Question 34

Which of the following is an early computer that was developed in cooperation between the U.S. Army and the University of Pennsylvania?

A) MFJ
B) ENIAC
C) RBOC
D) Audion

Question 35

Which of the following is a method of transmitting signals that uses one wave containing the information to be transmitted, combined with another wave?

A) Frequency modulation
B) Multiplexing
C) interLATA
D) intraLATA

Question 36

Which of the following is a satellite that at every point in its orbit maintains a constant distance from a point on the earth's equator?

A) Downlink
B) ENIAC
C) Microwave link
D) Geosynchronous

Question 37

Which of the following is the 1956 Supreme Court ruling that allowed the attachment of devices, not manufactured by AT&T, to AT&T telephones, as long as the device did not harm the public telephone network?

A) Hush-a-Phone decision
B) Carterfone decision
C) ENIAC
D) Kingsbury Commitment

Question 38

Which of the following is the service provider that connects calls between LATAs?

A) RBOC
B) IXC
C) interLATA
D) Local office

Question 39

The service that is initiated and terminated between LATAs is referred to as:

A) LEC
B) interLATA
C) intraLATA
D) ENIAC

Question 40

Which of the following initiates and terminates within a local service area?

A) interLATA
B) Microwave link
C) intraLATA
D) Cell

Question 41

The 1913 agreement between AT&T and the U.S. Department of Justice that forced AT&T to divest itself of Western Union, is referred to as?

A) Carterfone decision
B) Kingsbury Commitment
C) Hush-a-Phone decision
D) None of the above

Question 42

A geographical area that defines local phone calls is referred to as:

A) RBOC
B) MFJ
C) LEC
D) LATA

Question 43

A carrier that supplies subscribers with intraLATA telephone connections is referred to as:

A) LEC
B) LATA
C) MFJ
D) RBOC

Question 44

Which of the following is an exchange where multiple phone lines from homes and businesses in one geographic area converge and terminate?

A) LATA
B) Central office
C) Local switching center
D) None of the above

Question 45

Which of the following is a feature or component of a computer that enables it to store information for later retrieval?

A) Memory
B) Audion
C) Cell
D) None of the above

Question 46

A path used for transmitting signals via microwaves is known as:

A) interLATA
B) LEC
C) MFJ
D) Microwave link

Question 47

A method of presenting characters with a series of dots and dashes is known as:

A) MFJ
B) Morse code
C) Computing
D) Audion

Question 48

The simultaneous transmission of multiple signals over one transmission pathway is referred to as:

A) Duplexing
B) Time division switching
C) Multiplexing
D) Space division switching

Question 49

The type of signaling in which visual cues are used to represent letters or words is referred to as:

A) Semaphore
B) Morse code
C) Audion
D) LATA

Question 50

A transmission technique in which samples from multiple incoming lines are digitized then issued to the same circuit, is referred to as:

A) Space division switching
B) Crossbar switch
C) Time division switch
D) Switching

Question 51

The act of manipulating the physical space between two lines, thereby closing a circuit in order to connect a call, is referred to as:

A) Time division switching
B) Space division switching
C) Crossbar switch
D) Switching

Question 52

Which of the following is also referred to as a local office?

A) Toll switching center
B) Tandem switching center
C) Local switching center
D) Central office

Question 53

A place where multiple phone lines from homes and businesses in one geographic area converge and terminate, is referred to as:

A) Local switching center
B) Toll switching center
C) Central office
D) Tandem switching center

Question 54

An exchange where lines from multiple local office converge and terminate is referred to as:

A) Local switching center
B) Central office
C) Tandem switching
D) Toll switching

Question 55

An exchange where lines from multiple tandem switching centers converge and terminate is referred to as:

A) Local switching center
B) Tandem switching
C) Local office
D) Toll switching center

Question 56

Can computing be regarded as the automatic manipulation of input based on logical instructions?

Question 57

Does the term downlink refer to the transmission of a signal from an orbiting satellite to an earth-based receiver?

Question 58

Is it correct to say that the central office is a telephone company facility where lines are terminated and can be connected with other lines in order to complete calls?

Question 59

Does the term geosynchronous refer to a geographic area that is serviced by a single low-power transmitter for wireless communications?

Question 60

Does intraLATA refer to the service that is initiated and terminated between long distance carriers?

Question 61

Does the term interLATA refer to the service that initiates and terminates within a local service area?

Question 62

Does memory allow a computer to store information for later retrieval?

Question 63

Can you use a cell to transmit signals via microwaves?

Question 64

Does the term geosynchronous refer to the transmission of a signal from an orbiting satellite to an earth-based receiver?

Question 65

Does the term multiplexing refer to the simultaneous transmission of multiple signals over one transmission pathway?

Question 66

The type of signaling where visual cues represent letters or words, is known as a(n) ____________________.

Question 67

Simultaneously transmitting a signal in both directions along the same wire is referred to as ____________________.

Question 68

Simultaneously transmitting an indeterminate number of multiple signals over one circuit is referred to as ____________________.

Question 69

The ____________________ switch used a cylinder with an arm that brushed against rows of electrical contacts in a ratcheting motion.

Question 70

The ____________________ used a grid of horizontal and vertical bars with electromagnets at their ends.

Question 71

A(n) ____________________ center is a place where multiple telephone lines from homes and businesses in one geographic area converge and terminate.

Question 72

A(n) ____________________ center is an exchange where lines from multiple local offices converge and terminate.

Question 73

A(n) ____________________ center is an exchange where lines from multiple tandem switching centers converge and terminate.

Question 74

Telegraphs and telephones are examples of ____________________ technology.

Question 75

____________________ refers to a feature of physical part of a computer that enables it to store information for later retrieval.

Question 76

Match each statement below with the correct item

-The simultaneous transmission of multiple signals over one transmission pathway.

A)Cell
B)Central office
C)Computing
D)Downlink
E)Geosynchronous
F)interLATA
G)intraLATA
H)Memory
I)Microwave link
J)Multiplexing

Question 77

Match each statement below with the correct item

-A geographic area that is serviced by a single low-power transmitter for wireless communications.

A)Cell
B)Central office
C)Computing
D)Downlink
E)Geosynchronous
F)interLATA
G)intraLATA
H)Memory
I)Microwave link
J)Multiplexing

Question 78

Match each statement below with the correct item

-A satellite that at every point in its orbit maintains a constant distance from a point on the earth's equator.

A)Cell
B)Central office
C)Computing
D)Downlink
E)Geosynchronous
F)interLATA
G)intraLATA
H)Memory
I)Microwave link
J)Multiplexing

Question 79

Match each statement below with the correct item

-A feature or component of a computer that enables it to store information for later retrieval.

A)Cell
B)Central office
C)Computing
D)Downlink
E)Geosynchronous
F)interLATA
G)intraLATA
H)Memory
I)Microwave link
J)Multiplexing

Question 80

Match each statement below with the correct item

-A path used for transmitting signals via microwaves.

A)Cell
B)Central office
C)Computing
D)Downlink
E)Geosynchronous
F)interLATA
G)intraLATA
H)Memory
I)Microwave link
J)Multiplexing